pidgin/pidgin

06dcfb1cc1b2
Set XDG_CONFIG_DIR for all unittests so they can run in a silo

Testing Done:
Ran the tests and make sure they kept working without issue.

Reviewed at https://reviews.imfreedom.org/r/1587/
syntax: glob
.*.swp
.DS_Store
.flatpak-builder
*.pyc
*~
\#*\#
syntax: regexp
^build(.+)?\/
win32-install-dir(\.release)?
po\/pidgin\.pot$
^subprojects\/.+\/